Compare 642997 vs 643087
| Property | 642997 | 643087 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6429971 | 6430871 |
| Prime factorization | 642997 | 643087 |
| Divisors count | 2 | 2 |
| Divisors | 1, 642997 | 1, 643087 |
| Number of properties | 3 | 4 |
| Additive primes | 20437th | |
| Chen primes | 20456th | |
| Isolated primes | 40981st | 40991st |
| Primes | 52290th | 52300th |
| Sexy primes (2nd member) | 11328th | |
| Roman numberals | ||
| Base 2 | 100111001111101101012 | 100111010000000011112 |
| Base 3 | 10122000002013 | 10122000110013 |
| Base 4 | 21303323114 | 21310000334 |
| Base 5 | 1310334425 | 1310343225 |
| Base 6 | 214405016 | 214411316 |
| Base 7 | 53154257 | 53156147 |
| Base 8 | 23476658 | 23500178 |
| Base 9 | 11800219 | 11801319 |
| Base 10 | 64299710 | 64308710 |
| Base 11 | 3aa10311 | 3aa18511 |
| Base 12 | 27013112 | 2701a712 |
| Base 13 | 19689413 | 19693313 |
| Base 14 | 12a48514 | 12a50b14 |
| Base 15 | ca7b715 | ca82715 |
| Base 16 | 9cfb516 | 9d00f16 |